especially of muscles; drawing away from the midline of the body or from an adjacent part

especially of muscles; drawing away from the midline of the body or from an adjacent part

especially of muscles; drawing away from the midline of the body or from an adjacent part

especially of muscles; drawing away from the midline of the body or from an adjacent part

especially of muscles; drawing away from the midline of the body or from an adjacent part

especially of muscles; bringing together or drawing toward the midline of the body or toward an adjacent part

especially of muscles; bringing together or drawing toward the midline of the body or toward an adjacent part

especially of muscles; bringing together or drawing toward the midline of the body or toward an adjacent part

especially of muscles; bringing together or drawing toward the midline of the body or toward an adjacent part

especially of muscles; bringing together or drawing toward the midline of the body or toward an adjacent part